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प्रश्न
State with reasons whether the sentence is true or false .
A satellite needs a specific velocity to revolve in a specific orbit.
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उत्तर
The specific velocity with which the satellite revolves around a planet is known as critical velocity. It is given as
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संबंधित प्रश्न
Fill in the blank and explain the statement with reasoning:
The initial velocity (during launching) of the Managalyaan, must be greater than ______ of the earth.
State with reasons whether the sentence is true or false.
If a spacecraft has to be sent away from the influence of earth’s gravitational field, its velocity must be less than the escape velocity.
State with reason whether the sentence is true or false.
The escape velocity on the moon is less than that on the earth.
State with reasons whether the sentence is true or false .
If the height of the orbit of a satellite increases, its velocity must also increase.
What is meant by satellite launch vehicles? Explain a satellite launch vehicle developed by ISRO with the help of a schematic diagram.
In which direction do these things fall?
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In which direction do these things fall?
Rain falling from the sky.
The escape velocity on the moon is less than that on the earth.
Write scientific reason.
Satellite launch vehicles are used to place satellites in their specific orbits.
Write scientific reason.
The Launch vehicles are very costly.
Which of the following is the working principle of Rockets?
PSLV and GSLV are India’s popular satellites.
Explain the launching of a satellite in a particular orbit.
The functioning of the satellite launch vehicle is based on ______.
What is meant by a satellite launch vehicle?
Name any one Indian satellite launch vehicle.
